summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/collections/iterator-proto-1.js
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/collections/iterator-proto-1.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/collections/iterator-proto-1.js')
-rw-r--r--js/src/jit-test/tests/collections/iterator-proto-1.js18
1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/iterator-proto-1.js b/js/src/jit-test/tests/collections/iterator-proto-1.js
new file mode 100644
index 0000000000..c9827a5746
--- /dev/null
+++ b/js/src/jit-test/tests/collections/iterator-proto-1.js
@@ -0,0 +1,18 @@
+// All iterators of the same collection type share their immediate prototype.
+// Those prototype objects in turn inherit directly from %IteratorPrototype%.
+
+load(libdir + "iteration.js");
+
+// Get %IteratorPrototype%.
+var iterProto = Object.getPrototypeOf(Object.getPrototypeOf([][Symbol.iterator]()));
+
+function test(obj0, obj1) {
+ var iter0 = obj0[Symbol.iterator](), iter1 = obj1[Symbol.iterator]();
+ var proto = Object.getPrototypeOf(iter0);
+ assertEq(Object.getPrototypeOf(iter1), proto);
+ assertEq(Object.getPrototypeOf(proto), iterProto);
+}
+
+test([], [1]);
+test(new Map(), new Map([[1, 1]]));
+test(new Set(), new Set([1]));